Tent for gas-delivering apparatus



Aug. 28, 1934. J. A. HEIDBRINK ET AL- TENT FOR GAS DELIVERING APPAR HTUS 2 Sheets-Sfieet 1 Filed Oct. 7. 1951 Invhiors': v .371 K.-

Heidbr-Lnk. r-t IICLar'K fatter-megs;

Aug. 28, 1934. J. A. HEIDBRINK ET AL TENT FOR GAS DELIVERING APPARATUS 2 Sheets-Sheet Filed Oct. 7, 195

Inventcr-s: Tag Haidbrinkz Burt ICLar-K.

Patented- Aug. 28, 1934 1,971,408 I TENT roa' GAS-DELIVERING APPARATUS Jay A. Hcidbl'lnk'and Burt}.

Clark, Minneapolis,

Application October 7, 1931, semi 'No. 567,404 1 Claim. (01. 12a "191) through the cylinder 26 and is supported for turning and sliding movement by ballbearings 32 Our'invention relatesto-tents for gas-delivering apparatus. An object of the invention in general is to provide a device in the nature of a tent for enclosing at least the head of the patient to I whom the gas is to be delivered. Oxygen therapy is administered in this way for pneumonia. patients, for patients with certain heart diseases,

in cases of monoxide poisoning, for immediate care of new born babes, etc. In the operation of 10 the device, we provide suitable means for supplying gases such as oxygen to the tent and means for circulating the gases from the tent through a cooler back to the tent in order to supply cooled gases to the patient. Special objects of the inin vention are to provide a construction by means of which the tent may be rotated and by means of which it may be universally tilted, and by means of which it may be placed in compact relation to the gas-delivering apparatus when not in use.

so I 'I'he full objects and advantages of our inven-' tion will appear in connection with the detailed description thereof, and the novel features of our inventive idea will be particularly pointed out in the claim.

25. In the accompanying drawings which illustrate a practical embodiment of our invention, Fig. l is a perspective view showing the device connected to a gas-delivering apparatus. Fig. 2 is a view partly in side elevation and partly in section showso ing the upper portion of the device. Fig. 3 is an enlarged vertical sectional view showing a portion of the device. Fig. 4 is a view in section on the line 4-4 of Fig. 2. Fig. 5 is a detail view taken at right angles to Fig. 3 and with certain portions 35' removed. Fig. 6 is a view in section on the line 6-6 of Fig. 3. Fig. 7 is a detail view of a special collar.

Referring to. the construction shown in the drawings, the numeral 10 designates the base or 40 supporting portion of a gas-delivering apparatus of standard or any suitable construction. The base 10 is mounted on caster wheels 12 in order that the apparatus may be readily moved into any desired position to accommodate it to the patient.

45 As shown in Fig. 1 the gas-delivering apparatus includes an oxygen tank 14, a. carbon dioxid tank 16, a motor 18, a tank for ice, a tank 22 for soda-lime, and customary or suitable gauges, in-

dicators, and connections. Extending up from the 50 base is a hollow standard 23 into the upper portion of which a rod 24 fits slidably and adjustably, being held in properly adjusted position by a handscrew 25 as shown in Fig. 2. The upper end of the rod 24 carries a support 26 provided with a 55 horizontal cylindrical portion 28. A rod 30 passes 4 end of said rotatably receives a an annular top member 80 of a tent,

and is adapted by a handscrew 34. A forked mem cured at its middle to the rear end of the rod 36 00 The ends of the forked member by a clamp 38. 36 carry elbow members 40. a A hose connected to the lower end of one members 40 while a hose section 44 to be clamped in desired position I ber36isse-"' section 42 is of the elbow is connected to the other end of said elbow member. The hose 8!! sections 42 and 44 constitute agas-supply pipe line. A hose while a hose section 48 is connected and 48 constitute a gas-return line.

The front end of the rod 30 has secured thereto, the construction best shown in Fig. 3. The lower casting 50 contains a threaded recess which receives the upper threaded end of a elbow member. The hose sections 46 section 46 is connected to the lower 'end of the other one of the elbow members 40 to the other a casting 50 of which is end of the 25 short rod 52 which extends down through a central opening in the upwardly deflected central Portion of a disk 54, the periphery of said opening being formed with a knife below the knife edge lar 58, the upper end edge 56. The rod 52 56 is surrounded by a v of which as best shown in lus so 001- Fig. 7 is provided with a beveled peripheral flange 60 which rests of the knife edge 56.

rounding the rod 52 is interposed against the lower surface A coiled spring 62 sur- 35 between the flange 60 and an enlargement 64 carried by the lower end of the rod 52. A pin 66 extending up from the disk 54 is straddled by two projections 68 extending out from the disk 54 is prevented tion to the casting 50.

hose section 44 is attached to a hello the casting 50 whereby from turning with rela- The forward end of the w member 70 which extends snugly through an opening in the disk 54 and has a downward extension 72 as shown in Fig. 6, so that the cooled gas is supplied somewhat below the top of the tent while the warmer gas is taken from the top portion of the tent through a hollow memb disk 54 and has the forward end of tion 48 attached thereto. A ring 76 er 74 which extends snugly through another opening in the the hose secis secured to the lower face of the disk 54 at the periphery thereof to provide a circumferential portion 82 of which consists of any ring 78 to which groove which is secured the body suitable fabric material. The upper end of the body member 82 is secured by a strap 84 to a depending anphery of the no nular flange 86 formed on the peri top member 80. The upper portion of the body :member 82 is provided with a window 88 formed from transparent material such as celluloid. The lower portion of the body member 82 is provided with tucks which when the device is in use are adapted to rest upon the covering of a bed.

The operation and advantages of our invention will be understood in connection with the foregoing description. In a preferred manner of using the device, oxygen or other gas is administered to a patient while lying in bed, the tent enclosing the head of the patient and the lower portion 01 the tent being tucked under the patient, the bed clothing or the pillow so that the gas will not readily escape at the bottom 01. the tent. The gas is delivered to the patient through the pipeline 46-48 and is returned through the pipeline 4244 to be cooled by the ice tank 20 and purified by the soda-lime tank 22. The gas-delivering apparatus may be placed at either side of the bed or adjacent the head thereof, and by means of the handscrew 25 the tent may be secured at the proper height and in the proper angular relationship to the standard 23. The fixed attachment of the central disk 54 and the rotatable mounting thereon oi the body portion of the tent constitute an important feature of this invention, since such construction permits rotation 01' said body portion to bring the window 88 into proper position in regard to light. This rotating action avoids the necessity of putting more than one window in the tent to accommodate the light for different positioning of the bed. At the same time, the fixed positioning oi.

the disk 54 with relation to the hose connections 44 and 48 prevents these connections from being twisted or subjected to undue strain when the tent is rotated. From an inspection of Figs. 2 and 3, it will beunderstood that the tensioned supporting of the tent through the spring 62 permits canting or tilting of the tent in every direction. The engagement oi the beveled flange 60 with the lower portion of the knife edge 56 provides for a ready universal tilting movement of the tent so that changes in the position of the patient are taken care of. When the device is not in use, the hand screw 34 may be loosened and the supported rod 30 slid rearwardly in the cylindrical member 28. This permits the tent to be v 'members having a circular groove at its margin into which the adjacent margin 0! the other member fits rotatively in gas tight manner, an enclosing wall structure depending from the outer margin of said annular member, and supply and return gas connections for said enclosing structure extending through said central member.

JAY A. HEIDBRINK.

BURT J. CLARK.

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